Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Videos

A new stacking motif: complex alloy structures interpreted as modulated structures.

M Uchida¹, Y Matsui

¹National Institute for Research in Inorganic Materials, Tsukuba, Ibaraki 305-0044, Japan. uchidam@nirim.go.jp

Acta Crystallographica. Section B, Structural Science

|August 16, 2000

Summary

This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Genetic analysis of a dentatorubral-pallidoluysian atrophy family: relevance to apparent sporadic cases.

Internal medicine (Tokyo, Japan)·1999

Same author

[Leiomyoma of the scrotum: a case report].

Hinyokika kiyo. Acta urologica Japonica·1999

Same author

Functional analysis of poly(ADP-ribose) polymerase in Drosophila melanogaster.

Molecular and cellular biochemistry·1999

Same author

[Sensory receptors on oral thickness sensation].

Kokubyo Gakkai zasshi. The Journal of the Stomatological Society, Japan·1999

Same author

Congenital heart defects in Sotos syndrome.

American journal of medical genetics·1999

Same author

Kainic and domoic acids differentially affect NADPH-diaphorase neurons in the mouse hippocampal formation.

Brain research bulletin·1999

Same journal

A Description of the Techniques and Application of Molecular Replacement Used to Determine the Structure of Polyoma Virus Capsid at 22.5 Å Resolution.

Acta crystallographica. Section B, Structural science·2014

Same journal

On the shortest B(III)-O bonds.

Acta crystallographica. Section B, Structural science·2013

Same journal

A high-pressure polymorph of chlorpropamide formed on hydrostatic compression of the α-form in saturated ethanol solution.

Acta crystallographica. Section B, Structural science·2013

Same journal

Thermodynamic and structural relationships between the two polymorphs of 1,3-dimethylurea.

Acta crystallographica. Section B, Structural science·2013

Same journal

Entry point into new trimeric and tetrameric imide-based macrocyclic esters derived from isophthaloyl dichloride and methyl 6-aminonicotinate.

Acta crystallographica. Section B, Structural science·2013

Same journal

Structural and electronic aspects of hydrogen bonding in two polymorphs of butylene-N,N'-bis(O,O'-diarylphosphoramidate).

Acta crystallographica. Section B, Structural science·2013

See all related articles

Complex aluminide structures like manganese aluminide (Al4Mn) are reinterpreted as modulated structures. This new perspective reveals insights into atomic vacancies and stacking motifs relevant to quasicrystals.

Area of Science:

Materials Science
Crystallography
Solid State Chemistry

Background:

Previous models described complex aluminides (lambda-Al4Mn, kappa-Al177Cr49Ni, epsilon-Al4Cr) as aggregations of clusters.
These descriptions lacked a unified structural interpretation for related complex alloy phases.

Purpose of the Study:

To re-evaluate and reinterpret the structures of specific manganese, chromium nickel, and chromium aluminides.
To establish a new structural framework for understanding complex alloys and quasicrystal-related phases.

Main Methods:

Analysis of atomic arrangements in lambda-Al4Mn, kappa-Al177Cr49Ni, and epsilon-Al4Cr.
Interpretation of structural components based on close-packed layers and ordered atomic vacancies.

Related Experiment Videos

Main Results:

The structures of lambda-Al4Mn, kappa-Al177Cr49Ni, and epsilon-Al4Cr are reclassified as modulated structures.
These modulated structures are fundamentally composed of close-packed atomic layers featuring ordered vacancies.
The identified atomic stacking motif is prevalent in phases associated with icosahedral and decagonal quasicrystals.

Conclusions:

The modulated structure model provides a more accurate description of these complex aluminides.
This revised understanding facilitates the study of complex alloys and the broader field of quasicrystal research.
The findings offer a new perspective on the relationship between complex alloys and quasicrystalline materials.